 The highway is a part of the National Highway System as a principal arterial from the southern junction with MD 30 to MD 88.MD 30 Business was created on August 6, 2009, along the former alignment of MD 30 through the town after MD 30 was relocated onto the Hampstead Bypass.Now that MD 30 has bypassed Hampstead, a streetscape project is planned to rebuild Main Street through town starting in 2014 or 2015.